<template>
  <ul>
    <li
      @mouseenter="onMouseenterFn"
      @mouseleave="onMouseleaveFn"
      :class="isActive ? 'active' : ''"
    >
      <label>
        <input type="checkbox" :checked="done" @click="changeChecked" />
        <span>{{ thing }}</span>
      </label>
      <button class="btn btn-danger" @click="deleteDate">删除</button>
    </li>
  </ul>
</template>

<script>
export default {
  name: "Item",
  data() {
    return {
      isActive: false,
    };
  },
  props: ["id", "thing", "done"],
  methods: {
    onMouseenterFn() {
      this.isActive = true;
    },
    onMouseleaveFn() {
      this.isActive = false;
    },
    changeChecked() {
      this.$emit("changeChecked", this.id);
    },
    deleteDate() {
      this.$emit("deleteDate",this.id);
    },
  },
};
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

li.active {
  background: rgb(230, 212, 212);
}

li.active button {
  display: block;
}
</style>
